Mini v8s

[XK N00b]

I saw these on youtube the other night, Looks like a fun toy/father/son project.

http://www.nvbackflow.com/engines/

[cico7]

Those are little motors!

[Bigredmariner]

I was looking at some of those a while back, very cool. There is also an entire forum for these guys and some of the builds were nothing short of amazing.